/// <summary>
/// Execute an updating query.
/// </summary>
/// <returns>An array containing the root nodes of documents that have been
/// updated by the query.</returns>
/// <exception cref="DynamicError">Throws a DynamicError if any run-time failure
/// occurs while evaluating the expression, or if the expression is not an
/// updating query.</exception>
public XdmNode[] RunUpdate()
{
if (!exp.isUpdateQuery())
{
throw new DynamicError("Not an updating query");
}
try
{
java.util.Set updatedDocs = exp.runUpdate(context);
XdmNode[] result = new XdmNode[updatedDocs.size()];
int i = 0;
for (java.util.Iterator iter = updatedDocs.iterator(); iter.hasNext();)
{
result[i++] = (XdmNode)XdmValue.Wrap((JNodeInfo)iter.next());
}
return(result);
}
catch (JXPathException err)
{
throw new DynamicError(err);
}
}
